THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
Apache Kylin

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Apache Kylin : Analytical Data Warehouse for Big Data

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Core Contract


«BASIC»TreeNode // TreeNode is a recursive data structure that can have one or many children that are again TreeNodes. children : Seq[BaseType] verboseString: String Expression // only required methods that have no implementation dataType: DataType nullable: Boolean doGenCode(ctx: CodegenContext, ev: ExprCode): ExprCode eval(input: InternalRow = EmptyRow): Any

Thank you https://jaceklaskowski.gitbooks.io/mastering-spark-sql .

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